SUM

// Sum by UDF 1
#include<stdio.h>
#include<conio.h>
int sum (int,int);
void main()
{
int a,b,c;
clrscr();
printf("\n Enter a:-");
scanf("%d",&a);
printf("\n Enter b:-");
scanf("%d",&b);
c=sum(a,b);
printf("\n Sum of %d & %d is %d",a,b,c);
getch();
}
int sum (int a,int b)
{
int c;
c=a+b;
return c;
}
--------------------------------------------
// Sum by UDF 2
#include<stdio.h>
#include<conio.h>
void sum (int,int);
void main()
{
int a,b;
clrscr();
printf("\n Enter a:-");
scanf("%d",&a);
printf("\n Enter b:-");
scanf("%d",&b);
sum(a,b);
getch();
}
void sum (int a,int b)
{
int c;
c=a+b;
printf("\n Sum of %d & %d is %d",a,b,c);
}
---------------------------------------
// Sum by UDF 3
#include<stdio.h>
#include<conio.h>
int sum ();
void main()
{
int c;
clrscr();
c=sum();
printf("\n Sum is %d",c);
getch();
}
int sum ()
{
int a,b,c;
printf("\n Enter a:-");
scanf("%d",&a);
printf("\n Enter b:-");
scanf("%d",&b);
c=a+b;
return c;
}
---------------------------------------
// Sum by UDF 4
#include<stdio.h>
#include<conio.h>
void sum ();
void main()
{
clrscr();
sum();
getch();
}
void sum ()
{
int a,b,c;
printf("\n Enter a:-");
scanf("%d",&a);
printf("\n Enter b:-");
scanf("%d",&b);
c=a+b;
printf("\n Sum of %d & %d is %d",a,b,c);
}